Lake County Indiana Zip Codes

Cities in

Below are a list of the cities located in Lake County, IN. There are 32 total unique zip codes in Lake County, Indiana. The time zone for Lake County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 18089.

The population in Lake County, IN is currently 498,558. That is an increase of 0.40% vs the population of 496,005 in 2010.

Zip Codes for Lake County, IN (32)
Zip Code
 City County
Zip Code Map
46303 Cedar Lake Lake
46307 Crown Point Lake
46308 Crown Point Lake
46311 Dyer Lake
46312 East Chicago Lake
46319 Griffith Lake
46320 Hammond Lake
46321 Munster Lake
46322 Highland Lake
46323 Hammond Lake
46324 Hammond Lake
46325 Hammond Lake
46327 Hammond Lake
46342 Hobart Lake
46355 Leroy Lake
46356 Lowell Lake
46373 Saint John Lake
46375 Schererville Lake
46376 Schneider Lake
46377 Shelby Lake
46394 Whiting Lake
46401 Gary Lake
46402 Gary Lake
46403 Gary Lake
46404 Gary Lake
46405 Lake Station Lake
46406 Gary Lake
46407 Gary Lake
46408 Gary Lake
46409 Gary Lake
46410 Merrillville Lake
46411 Merrillville Lake

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